<template>
  <div class="icons">
    <swiper :options="swiperOption" class="swiper-container">
      <swiper-slide  v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.iconUrl" alt="">
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </div>
      </swiper-slide>
      <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: ['iconList'],
  data () {
    return {
      swiperOption: {
        pagination: {
          el: '.swiper-pagination'
        },
        autoplay: false
      }
    }
  },
  computed: {
    pages: function () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon
    marign-top:.1rem
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height:0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing: border-box
      padding: .1rem
      .icon-img-content
        display:block
        margin: 0 auto
        height: 100%
    .icon-desc
      marign-top:.1rem
      height: .44rem
      line-height: .44rem
      text-align: center
      color: $darkTextColor
      ellipsis()
</style>
